F 550 4WD Super Duty V8-6.4L DSL Turbo (2008)
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Discard the vertical EGR cooler coolant hose clamp.
6. Remove the retaining nuts for the vertical EGR cooler.
7. Remove the bolt and the EGR cooler coolant tube.
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Remove and discard the O-ring seal.
8. Disconnect the exhaust gas recirculation temperature (EGRT) sensor electrical connector. Disconnect the hose and retaining clips at the EGR
cooler.
9. Remove the retaining nut and retaining clip.
10. Remove the nut and bolt for the vertical EGR cooler.
11. Remove the vertical EGR cooler stud.
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Remove and discard the gasket.
12. Remove the bolts and the vertical EGR cooler assembly.
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Remove and discard the gasket.
13. Remove the retaining clip and disconnect the lower radiator hose.
14. Remove the retaining clip and the upper radiator hose.
15. Remove the bolts and position aside the heater return tube.
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Remove and discard the O-ring seal.
16. Remove the bolts and disconnect the EGR cooler coolant supply tube from the front cover.
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Remove and discard the O-ring seal and the clamp.
17. Remove the bolt and the accessory drive belt tensioner.
18. If equipped, remove the bolt and the A/C belt tensioner.
19. Remove the bolt and the accessory drive belt idler pulley.
20. Disconnect the ECT sensor electrical connector and wire retainer.
21. Remove the nut and bolts for the heater supply tube and engine wiring harness.
22. CAUTION: Do not bend or flex the heater supply tube or damage to the tube may occur.
Position the heater supply tube as needed so that it will not interfere with the removal of the front cover. Secure the tube as needed.
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Remove and discard the O-ring seal.
23. NOTE: Remove the thermostat housing only if the front cover is being replaced.
Remove the bolts, collar and the thermostat housing.
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Remove and discard the press-in-place gasket.
24. NOTE: Remove the coolant pump pulley only if the front cover is being replaced.